Our standard clearance tubes are 22″ in diameter and are designed for RVs that have a ground clearance of 20″ or less (the 2″ difference is needed to hold the tube in place). All Airstreams, many travel trailers, and most motorcoaches will use standard clearance tubes.
High clearance tubes are 34″ in diameter and are for RVs with a ground clearance between 21″-32″. This diameter is appropriate for 5th wheels and many ultralight and off-road travel trailers.
If your ground clearance varies, we can customize your kit for you! Simply choose the custom kit for the length of your RV on our kit selector and you’ll receive a form to submit some measurements and we’ll get you a kit that fits your RV perfectly.